Workplace drug testing, different matrices different objectives.

  title={Workplace drug testing, different matrices different objectives.},
  author={Lolita M Tsanaclis and John F C Wicks and Alice A M Chasin},
  journal={Drug testing and analysis},
  volume={4 2},
Drug testing is used by employers to detect drug use by employees or job candidates. It can identify recent use of alcohol, prescription drugs, and illicit drugs as a screening tool for potential health and safety and performance issues. Urine is the most commonly used sample for illicit drugs. It detects the use of a drug within the last few days and as such is evidence of recent use; but a positive test does not necessarily mean that the individual was impaired at the time of the test… CONTINUE READING